Last spring, Rockies prospect Nolan Arenado was in the running for the starting third base job. Though he ultimately began the year at Double-A Tulsa, he continued to wait for that call to the majors -- a call that never came. According to MLB.com, the unfulfilled anticipation was a big reason he slumped midseason, batting .165 in July. "I thought there was a chance of getting called up, and that was part of it," Arenado said. He was able to regroup and finish the year on a high note, batting .366 with four home runs in his final 30 games, and now seems to have a better mindset heading into 2013. "He learned to focus on what's in front of you -- just play the game, and not worry about a lot of things that may or may not come in the future," said Bill Geivett, the Rockies' senior vice president of major league operations.